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Square D QO120VHPAF - Dual-Function AFCI/GFCI 20A 120V

Square D
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The Square D QO120VHPAF is a dual-function arc fault/ground fault circuit breaker designed for branch circuit protection against series and parallel arcs, as well as ground faults. This single-pole breaker operates at 120V AC with a 20A current rating and a 10kA interrupting capacity, housed in a compact 0.75-inch wide QO-style frame. Constructed with a plug-on mounting style and copper alloy terminals, it features a thermal-magnetic trip mechanism for overload and short-circuit protection. The device complies with UL 489 and CSA C22.2 standards, and is manufactured by Schneider Electric in the United States. It is typically used in residential and light commercial load centers for protecting 120V branch circuits in lighting, receptacle, and appliance applications.

Key Features & Specifications
  • Type: Dual-function arc fault/ground fault circuit breaker, thermal-magnetic trip, plug-on mounting
  • Voltage Rating: 120V AC
  • Current Rating: 20A
  • Dimensions: 2.72 in (69.08 mm) x 0.75 in (19.05 mm) x 4.10 in (104.14 mm) (Height x Width x Depth)
  • Standards: UL 489, CSA C22.2
  • Applications: Branch circuit protection in residential and light commercial load centers
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 2.72 in x 0.75 in x 4.10 in
  • Phase: Single-phase
  • Voltage: 120V AC
  • Amperage: 20A
  • AIC rating: 10kA
  • Connection: Plug-on
  • Poles: 1
  • Protection: Arc fault, ground fault
  • Functions: Dual-function (AFCI/GFCI)
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: QO
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy terminals
  • Panel Style: QO
  • Bus Type: Plug-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 60/75°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 20A
  • Dist Voltage: 120V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 20A
  • Full Load Amp Minimum: 20A
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 20A
  • Amperage Minimum: 20A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14-8 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Copper alloy
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 20A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78590177942
  • GTIN: 00785901779421